• Summary
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• Reference and further resources

Year of most recent IBA criteria assessment: 2000

Populations of IBA trigger species

Species	Current IUCN Red List Category	Season	Year(s) of estimate	Population at site	IBA criteria triggered
Mute Swan Cygnus olor	LC	passage	1997	1,000-2,000 individuals	B1i, C3
Common Goldeneye Bucephala clangula	LC	passage	1997	4,000-5,000 individuals	A4i, B1i, C3
Red-breasted Merganser Mergus serrator	LC	passage	1997	4,000-5,000 individuals	A4i, B1i, C3

Note: The current IUCN Red List category may differ from the category that was valid at the time of IBA criteria assessment.

For more information about the IBA criteria, please click here

Protected area (PA)	PA designation	PA area (ha)	Relationship of PA with IBA	Overlap of PA with IBA (ha)
Tjolöholm	Nature Reserve	109	protected area contained by site	109
Rolfsån	Site of Community Importance (Habitats Directive)	37	protected area overlaps with site	0
Näsbokrok	Naturreservat	90	protected area overlaps with site	90
Marrisp, Utholmen NV del	Naturminne	0	protected area overlaps with site	0
Malön	Naturreservat	108	protected area overlaps with site	108
Lotsholmarna, Kungsbackafjorden	Nature Reserve	99	protected area contained by site	99
Kungsbackafjordens öar	Nature Conservation Area	151	protected area contained by site	151
Kungsbackafjorden	Baltic Sea Protected Area (HELCOM)	7,877	protected area contained by site	0
Kungsbackafjorden	Marine Protected Area (OSPAR)	7,800	protected area overlaps with site	0
Kungsbackafjorden	Naturreservat	5,238	protected area contained by site	5,274
Kungsbackafjorden	Special Protection Area (Birds Directive)	7,863	protected area overlaps with site	7,731
Kungsbackafjorden	Site of Community Importance (Habitats Directive)	7,863	protected area overlaps with site	0
Hållsundsudde-Sönnerbergen	Naturvårdsområde	1,664	protected area overlaps with site	1,876
Bay of Kungsbackafjorden	Baltic Sea Protected Area (Helcom)	7,847	protected area overlaps with site	7,743
Backa	Naturreservat	4	protected area overlaps with site	0
Äskatorp	Nature Reserve	27	protected area contained by site	27

IUCN Habitat	Habitat detail	Extent (% of site)
Grassland	Humid grasslands	-
Artificial/Terrestrial	Highly improved re-seeded landscapes, Arable land	-
Marine Neritic		-
Marine Coastal/Supratidal		-

For further information about the IUCN habitat classification, please click here.

Land-use	Extent (% of site)
hunting	-
nature conservation and research	-
tourism/recreation	-
water management	-

For further information about the land-use classification, please click here.

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Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Fjord of Kungsbacka. Downloaded from http://datazone.birdlife.org/site/factsheet/909 on 11/06/2023.